zombie vs dead soul

zombie and dead soul both are nouns.

Word	Noun	Adjective	Verb	Adverb
zombie	Yes	No	No	No
dead soul	Yes	No	No	No

As nouns, dead soul is a hypernym of zombie; that is, dead soul is a word with a broader meaning than zombie:

zombie: a dead body that has been brought back to life by a supernatural force
dead soul: someone who is no longer alive

Other hypernyms of zombie include dead person, deceased, deceased person, decedent, departed.

zombie (noun)	dead soul (noun)
several kinds of rum with fruit juice and usually apricot liqueur	someone who is no longer alive
a dead body that has been brought back to life by a supernatural force
someone who acts or responds in a mechanical or apathetic way
a god of voodoo cults of African origin worshipped especially in West Indies
(voodooism) a spirit or supernatural force that reanimates a dead body